"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : 口令使用安全检查
Create At   : 2022/3/11
Owner       : @daiguatutu
Description :
    1.设置参数并重启数据库enableSeparationOfDuty=on
    gs_guc set -N all -I all -c enableSeparationOfDuty=on;
    gs_om -t restart
    2.创建新用户
    create user u_security_authen_password_0001 identified by 'test@123';
    3.查看用户信息
    select * from pg_authid where rolname = 'u_authen_password_0001';
    4.查看用户创建信息
    select * from pg_query_audit('2018-1-19 10:35:00','9999-9-19 10:40:00');
    5.清理环境
    drop user u_security_authen_password_0001 cascade;
    gs_guc set -N all -I all -c enableSeparationOfDuty=off;
    gs_om -t restart
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name = 'u_security_authen_account_0001'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=on; ' \
               'expect:成功-----'
        self.log.info(text)
        mod_msg = self.pri_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            'enableSeparationOfDuty=on')
        self.assertTrue(mod_msg, '执行失败:' + text)
        result = self.pri_sh.restart_db_cluster()
        self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建新用户,表并插入数据 expect:成功-----'
        self.log.info(text)
        create_cmd = f"select sysdate;" \
            f"drop user if exists {self.u_name} cascade; " \
            f"create user {self.u_name} " \
            f"identified by '{macro.GAUSSDB_INIT_USER_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.CREATE_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)

        text = f'-----step3：查看用户信息; expect:成功-----'
        self.log.info(text)
        sql = f"select * from pg_authid where rolname = '{self.u_name}';"
        msg = self.pri_sh.execut_db_sql(sql)
        self.log.info(msg)
        self.assertIn('1 row', msg, '执行失败:' + text)
        self.assertIn(self.u_name, msg, '执行失败:' + text)

        text = '-----step4：查看用户创建信息 expect:成功-----'
        self.log.info(text)
        sql_time = f"select sysdate + interval ' 1 minutes' as result;" \
            f"select sysdate - interval ' 3 minutes' as result;"
        result = self.pri_sh.execut_db_sql(sql_time)
        self.log.info(result)
        time_start = result.splitlines()[-2].strip()
        time_end = result.splitlines()[2].strip()
        sql = f"select pg_sleep(2);" \
            f"select * from pg_query_audit('{time_start}','{time_end}');"
        msg = self.pri_sh.execut_db_sql(sql)
        self.log.info(msg)
        self.assertIn(f"create user {self.u_name} identified by '********'",
                      msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step5：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop user if exists {self.u_name} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值并重启数据库 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
